Function buildExtensions

build-system/tasks/extension-helpers.js:330–351

* Build all the AMP extensions * * @param {!Object} options * @return {!Promise}

(options)

 * @return {!Promise}
 */
async function buildExtensions(options) {
  const startTime = Date.now();
  maybeInitializeExtensions(EXTENSIONS);
  const extensionsToBuild = getExtensionsToBuild();
  const results = [];
  for (const extension in EXTENSIONS) {
    if (
      options.compileOnlyCss ||
      extensionsToBuild.includes(EXTENSIONS[extension].name)
    ) {
      results.push(doBuildExtension(EXTENSIONS, extension, options));
    }
  }
  await Promise.all(results);
  if (!options.compileOnlyCss && results.length > 0) {
    endBuildStep(
      options.minify ? 'Minified all' : 'Compiled all',
      'extensions',
      startTime
    );
  }
}

/**
 * Builds a single extension after extracting its settings.